The sun (日) asks Sherlock Holmes (sh) out for a coffee in the space station's kitchen (Ø2). Looking at his pocket watch (时), Sherlock sees he has time, winks and "thumbs up" (寸).
Buddhist temple / mosque / government office (old)
寺
=
土
+
寸
:
Socrates (s) built a Buddhist temple (寺) in the space station's bathroom (Ø4). To protect it from being destroyed while floating around in zero gravity, he built a protective frame made out of mud (土) around it. After finishing it he inspects it and thinks "thumbs up" (寸), because he is proud of his work.
lit. to clasp the Buddha's feet when danger arises (idiom); fig. to profess devotion only when in trouble / doing things at the last minute / to make a hasty last-minute effort (often refers to cramming for exams)